<html xmlns:th="http://www.thymeleaf.org">
<head>
    <title></title>
</head>
<body>
<form action="insertProducttype" method="post">
    产品类别名称：<input type="text" name="producttypename"/>
    产品类别描述：<input type="text" name="producttypedescription"/>
    等级：<input type="text" name="typegrade"/>
    <input type="submit" th:value="提交"/>
</form>
</body>
</html>